As previously stated, Macbeth could have had psychosis. Throughout the play he demonstrates the symptoms associated with psychosis. One symptom, hallucinations, is evident during a dinner party after the death of Banquo. Macbeth envisions the ghost of Banquo and announces his presence to the crowd, “Were graced person of out Banquo present” (Shakespeare 3.4.41). Macbeth believes that Banquo is actually present at the dinner despite the report from the murderer that he is dead.Macbeth then starts to converse with the ghost and continues to talk to the ghost throughout the scene. Earlier in the play before Duncan’s murder, Macbeth conjures an illusion of a dagger and states: “Art thou not, fatal vision, sensible / To feeling as to sight? Or art
